buech: Buech basin

In ade4: Analysis of Ecological Data : Exploratory and Euclidean Methods in Environmental Sciences

Description

This data set contains informations about Buech basin characteristics.

Usage

data(buech)

Format

buech is a list with the following components :

tab1

: a data frame with 10 environmental variables collected on 31 sites in Juin (1984)

tab2

: a data frame with 10 environmental variables collected on 31 sites in September (1984)

xy

: a data frame with the coordinates of the sites

neig

: an object of class neig

contour

: a data frame for background map

Details

Variables of buech$tab1 and buech$tab2 are the following ones :
pH ; Conductivity (μ S/cm) ; Carbonate (water hardness (mg/l CaCO3)) ; hardness (total water hardness (mg/l CaCO3)) ; Bicarbonate (alcalinity (mg/l HCO3-)) ; Chloride (alcalinity (mg/l Cl-)) ; Suspens (particles in suspension (mg/l)) ; Organic (organic particles (mg/l)) ; Nitrate (nitrate rate (mg/l NO3-)) ; Ammonia (amoniac rate (mg/l NH4-))

Source

Vespini, F. (1985) Contribution ? l'?tude hydrobiologique du Buech, rivi?re non am?nag?e de Haute-Provence. Th?se de troisi?me cycle, Universit? de Provence.

Vespini, F., L?gier, P. and Champeau, A. (1987) Ecologie d'une rivi?re non am?nag?e des Alpes du Sud : Le Bu?ch (France) I. Evolution longitudinale des descripteurs physiques et chimiques. Annales de Limnologie, 23, 151–164.

Examples

data(buech)
if(adegraphicsLoaded()) {
  if(requireNamespace("sp", quiet = TRUE)) {
    g1 <- s.label(buech$xy, Sp = buech$Spatial, nb = buech$nb, 
      pSp.col = "transparent", plot = FALSE)
    g2 <- s.value(buech$xy, buech$tab2$Suspens - buech$tab1$Suspens, 
      Sp = buech$Spatial, nb = buech$nb, pSp.col = "transparent", plot = FALSE)
    G <- cbindADEg(g1, g2, plot = TRUE)
  }
} else {
  par(mfrow = c(1,2))
  s.label(buech$xy, contour = buech$contour, neig = buech$neig)
  s.value(buech$xy, buech$tab2$Suspens - buech$tab1$Suspens,
    contour = buech$contour, neig = buech$neig, csi = 3)
  par(mfrow = c(1,1))
}

ade4 documentation built on May 2, 2019, 5:50 p.m.